1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #define _RTW_WLAN_UTIL_C_ 8 9 #include <drv_types.h> 10 #include <rtw_debug.h> 11 #include <hal_com_h2c.h> 12 13 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f}; 14 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74}; 15 16 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18}; 17 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7}; 18 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5}; 19 20 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96}; 21 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43}; 22 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43}; 23 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c}; 24 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5}; 25 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; 26 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; 27 28 #define R2T_PHY_DELAY (0) 29 30 /* define WAIT_FOR_BCN_TO_MIN (3000) */ 31 #define WAIT_FOR_BCN_TO_MIN (6000) 32 #define WAIT_FOR_BCN_TO_MAX (20000) 33 34 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000 35 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3 36 37 static u8 rtw_basic_rate_cck[4] = { 38 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, 39 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK, 40 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, 41 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK 42 }; 43 44 static u8 rtw_basic_rate_ofdm[3] = { 45 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, 46 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK, 47 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK 48 }; 49 50 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta) 51 { 52 u8 raid, cur_rf_type, rf_type = RF_1T1R; 53 54 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type)); 55 56 if (cur_rf_type == RF_1T1R) { 57 rf_type = RF_1T1R; 58 } else if (IsSupportedHT(psta->wireless_mode)) { 59 if (psta->ra_mask & 0xfff00000) 60 rf_type = RF_2T2R; 61 } 62 63 switch (psta->wireless_mode) { 64 case WIRELESS_11B: 65 raid = RATEID_IDX_B; 66 break; 67 case WIRELESS_11G: 68 raid = RATEID_IDX_G; 69 break; 70 case WIRELESS_11BG: 71 raid = RATEID_IDX_BG; 72 break; 73 case WIRELESS_11_24N: 74 case WIRELESS_11G_24N: 75 if (rf_type == RF_2T2R) 76 raid = RATEID_IDX_GN_N2SS; 77 else 78 raid = RATEID_IDX_GN_N1SS; 79 break; 80 case WIRELESS_11B_24N: 81 case WIRELESS_11BG_24N: 82 if (psta->bw_mode == CHANNEL_WIDTH_20) { 83 if (rf_type == RF_2T2R) 84 raid = RATEID_IDX_BGN_20M_2SS_BN; 85 else 86 raid = RATEID_IDX_BGN_20M_1SS_BN; 87 } else { 88 if (rf_type == RF_2T2R) 89 raid = RATEID_IDX_BGN_40M_2SS; 90 else 91 raid = RATEID_IDX_BGN_40M_1SS; 92 } 93 break; 94 default: 95 raid = RATEID_IDX_BGN_40M_2SS; 96 break; 97 } 98 return raid; 99 } 100 101 unsigned char ratetbl_val_2wifirate(unsigned char rate); 102 unsigned char ratetbl_val_2wifirate(unsigned char rate) 103 { 104 switch (rate & 0x7f) { 105 case 0: 106 return IEEE80211_CCK_RATE_1MB; 107 case 1: 108 return IEEE80211_CCK_RATE_2MB; 109 case 2: 110 return IEEE80211_CCK_RATE_5MB; 111 case 3: 112 return IEEE80211_CCK_RATE_11MB; 113 case 4: 114 return IEEE80211_OFDM_RATE_6MB; 115 case 5: 116 return IEEE80211_OFDM_RATE_9MB; 117 case 6: 118 return IEEE80211_OFDM_RATE_12MB; 119 case 7: 120 return IEEE80211_OFDM_RATE_18MB; 121 case 8: 122 return IEEE80211_OFDM_RATE_24MB; 123 case 9: 124 return IEEE80211_OFDM_RATE_36MB; 125 case 10: 126 return IEEE80211_OFDM_RATE_48MB; 127 case 11: 128 return IEEE80211_OFDM_RATE_54MB; 129 default: 130 return 0; 131 } 132 } 133 134 int is_basicrate(struct adapter *padapter, unsigned char rate); 135 int is_basicrate(struct adapter *padapter, unsigned char rate) 136 { 137 int i; 138 unsigned char val; 139 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 140 141 for (i = 0; i < NumRates; i++) { 142 val = pmlmeext->basicrate[i]; 143 144 if ((val != 0xff) && (val != 0xfe)) 145 if (rate == ratetbl_val_2wifirate(val)) 146 return true; 147 } 148 149 return false; 150 } 151 152 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset); 153 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) 154 { 155 int i; 156 unsigned char rate; 157 unsigned int len = 0; 158 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 159 160 for (i = 0; i < NumRates; i++) { 161 rate = pmlmeext->datarate[i]; 162 163 switch (rate) { 164 case 0xff: 165 return len; 166 167 case 0xfe: 168 continue; 169 170 default: 171 rate = ratetbl_val_2wifirate(rate); 172 173 if (is_basicrate(padapter, rate) == true) 174 rate |= IEEE80211_BASIC_RATE_MASK; 175 176 rateset[len] = rate; 177 len++; 178 break; 179 } 180 } 181 return len; 182 } 183 184 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) 185 { 186 unsigned char supportedrates[NumRates]; 187 188 memset(supportedrates, 0, NumRates); 189 *bssrate_len = ratetbl2rateset(padapter, supportedrates); 190 memcpy(pbssrate, supportedrates, *bssrate_len); 191 } 192 193 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask) 194 { 195 u8 mcs_rate_1r = (u8)(mask&0xff); 196 u8 mcs_rate_2r = (u8)((mask>>8)&0xff); 197 u8 mcs_rate_3r = (u8)((mask>>16)&0xff); 198 u8 mcs_rate_4r = (u8)((mask>>24)&0xff); 199 200 mcs_set[0] &= mcs_rate_1r; 201 mcs_set[1] &= mcs_rate_2r; 202 mcs_set[2] &= mcs_rate_3r; 203 mcs_set[3] &= mcs_rate_4r; 204 } 205 206 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS) 207 { 208 u8 i; 209 u8 rate; 210 211 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ 212 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { 213 rate = mBratesOS[i] & 0x7f; 214 switch (rate) { 215 case IEEE80211_CCK_RATE_1MB: 216 case IEEE80211_CCK_RATE_2MB: 217 case IEEE80211_CCK_RATE_5MB: 218 case IEEE80211_CCK_RATE_11MB: 219 case IEEE80211_OFDM_RATE_6MB: 220 case IEEE80211_OFDM_RATE_12MB: 221 case IEEE80211_OFDM_RATE_24MB: 222 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK; 223 break; 224 } 225 } 226 } 227 228 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) 229 { 230 u8 i; 231 u8 rate; 232 233 for (i = 0; i < bssratelen; i++) { 234 rate = bssrateset[i] & 0x7f; 235 switch (rate) { 236 case IEEE80211_CCK_RATE_1MB: 237 case IEEE80211_CCK_RATE_2MB: 238 case IEEE80211_CCK_RATE_5MB: 239 case IEEE80211_CCK_RATE_11MB: 240 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; 241 break; 242 } 243 } 244 } 245 246 void Save_DM_Func_Flag(struct adapter *padapter) 247 { 248 u8 bSaveFlag = true; 249 250 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 251 } 252 253 void Restore_DM_Func_Flag(struct adapter *padapter) 254 { 255 u8 bSaveFlag = false; 256 257 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 258 } 259 260 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) 261 { 262 if (enable == true) 263 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); 264 else 265 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); 266 } 267 268 void Set_MSR(struct adapter *padapter, u8 type) 269 { 270 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); 271 } 272 273 inline u8 rtw_get_oper_ch(struct adapter *adapter) 274 { 275 return adapter_to_dvobj(adapter)->oper_channel; 276 } 277 278 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) 279 { 280 #ifdef DBG_CH_SWITCH 281 const int len = 128; 282 char msg[128] = {0}; 283 int cnt = 0; 284 int i = 0; 285 #endif /* DBG_CH_SWITCH */ 286 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 287 288 if (dvobj->oper_channel != ch) { 289 dvobj->on_oper_ch_time = jiffies; 290 291 #ifdef DBG_CH_SWITCH 292 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch); 293 294 for (i = 0; i < dvobj->iface_nums; i++) { 295 struct adapter *iface = dvobj->padapters[i]; 296 297 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface)); 298 if (iface->mlmeextpriv.cur_channel == ch) 299 cnt += scnprintf(msg+cnt, len-cnt, "C"); 300 else 301 cnt += scnprintf(msg+cnt, len-cnt, "_"); 302 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE)) 303 cnt += scnprintf(msg+cnt, len-cnt, "L"); 304 else 305 cnt += scnprintf(msg+cnt, len-cnt, "_"); 306 cnt += scnprintf(msg+cnt, len-cnt, "]"); 307 } 308 309 #endif /* DBG_CH_SWITCH */ 310 } 311 312 dvobj->oper_channel = ch; 313 } 314 315 inline u8 rtw_get_oper_bw(struct adapter *adapter) 316 { 317 return adapter_to_dvobj(adapter)->oper_bwmode; 318 } 319 320 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) 321 { 322 adapter_to_dvobj(adapter)->oper_bwmode = bw; 323 } 324 325 inline u8 rtw_get_oper_choffset(struct adapter *adapter) 326 { 327 return adapter_to_dvobj(adapter)->oper_ch_offset; 328 } 329 330 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) 331 { 332 adapter_to_dvobj(adapter)->oper_ch_offset = offset; 333 } 334 335 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) 336 { 337 u8 center_ch = channel; 338 339 if (chnl_bw == CHANNEL_WIDTH_80) { 340 center_ch = 7; 341 } else if (chnl_bw == CHANNEL_WIDTH_40) { 342 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) 343 center_ch = channel + 2; 344 else 345 center_ch = channel - 2; 346 } 347 348 return center_ch; 349 } 350 351 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter) 352 { 353 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel) 354 return adapter_to_dvobj(adapter)->on_oper_ch_time; 355 else 356 return 0; 357 } 358 359 void SelectChannel(struct adapter *padapter, unsigned char channel) 360 { 361 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 362 return; 363 364 /* saved channel info */ 365 rtw_set_oper_ch(padapter, channel); 366 367 rtw_hal_set_chan(padapter, channel); 368 369 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 370 } 371 372 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) 373 { 374 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 375 376 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); 377 378 if (bwmode == CHANNEL_WIDTH_80) { 379 if (center_ch > channel) 380 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; 381 else if (center_ch < channel) 382 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; 383 else 384 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 385 } 386 387 /* set Channel */ 388 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 389 return; 390 391 /* saved channel/bw info */ 392 rtw_set_oper_ch(padapter, channel); 393 rtw_set_oper_bw(padapter, bwmode); 394 rtw_set_oper_choffset(padapter, channel_offset); 395 396 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */ 397 398 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 399 } 400 401 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) 402 { 403 return pnetwork->MacAddress; 404 } 405 406 u16 get_beacon_interval(struct wlan_bssid_ex *bss) 407 { 408 __le16 val; 409 410 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2); 411 412 return le16_to_cpu(val); 413 } 414 415 int is_client_associated_to_ap(struct adapter *padapter) 416 { 417 struct mlme_ext_priv *pmlmeext; 418 struct mlme_ext_info *pmlmeinfo; 419 420 if (!padapter) 421 return _FAIL; 422 423 pmlmeext = &padapter->mlmeextpriv; 424 pmlmeinfo = &(pmlmeext->mlmext_info); 425 426 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)) 427 return true; 428 else 429 return _FAIL; 430 } 431 432 int is_client_associated_to_ibss(struct adapter *padapter) 433 { 434 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 435 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 436 437 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 438 return true; 439 else 440 return _FAIL; 441 } 442 443 int is_IBSS_empty(struct adapter *padapter) 444 { 445 unsigned int i; 446 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 447 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 448 449 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { 450 if (pmlmeinfo->FW_sta_info[i].status == 1) 451 return _FAIL; 452 } 453 454 return true; 455 } 456 457 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval) 458 { 459 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN) 460 return WAIT_FOR_BCN_TO_MIN; 461 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX) 462 return WAIT_FOR_BCN_TO_MAX; 463 else 464 return bcn_interval << 2; 465 } 466 467 void invalidate_cam_all(struct adapter *padapter) 468 { 469 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 470 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 471 472 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); 473 474 spin_lock_bh(&cam_ctl->lock); 475 cam_ctl->bitmap = 0; 476 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY); 477 spin_unlock_bh(&cam_ctl->lock); 478 } 479 480 static u32 _ReadCAM(struct adapter *padapter, u32 addr) 481 { 482 u32 count = 0, cmd; 483 484 cmd = CAM_POLLINIG | addr; 485 rtw_write32(padapter, RWCAM, cmd); 486 487 do { 488 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG)) 489 break; 490 } while (count++ < 100); 491 492 return rtw_read32(padapter, REG_CAMREAD); 493 } 494 495 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key) 496 { 497 u32 j, addr, cmd; 498 499 addr = entry << 3; 500 501 for (j = 0; j < 6; j++) { 502 cmd = _ReadCAM(padapter, addr+j); 503 if (j > 1) /* get key from cam */ 504 memcpy(get_key+(j-2)*4, &cmd, 4); 505 } 506 } 507 508 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 509 { 510 unsigned int i, val, addr; 511 int j; 512 u32 cam_val[2]; 513 514 addr = entry << 3; 515 516 for (j = 5; j >= 0; j--) { 517 switch (j) { 518 case 0: 519 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 520 break; 521 case 1: 522 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 523 break; 524 default: 525 i = (j - 2) << 2; 526 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 527 break; 528 } 529 530 cam_val[0] = val; 531 cam_val[1] = addr + (unsigned int)j; 532 533 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 534 } 535 } 536 537 void _clear_cam_entry(struct adapter *padapter, u8 entry) 538 { 539 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 540 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 541 542 _write_cam(padapter, entry, 0, null_sta, null_key); 543 } 544 545 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 546 { 547 _write_cam(adapter, id, ctrl, mac, key); 548 write_cam_cache(adapter, id, ctrl, mac, key); 549 } 550 551 inline void clear_cam_entry(struct adapter *adapter, u8 id) 552 { 553 _clear_cam_entry(adapter, id); 554 clear_cam_cache(adapter, id); 555 } 556 557 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 558 { 559 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 560 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 561 562 spin_lock_bh(&cam_ctl->lock); 563 564 dvobj->cam_cache[id].ctrl = ctrl; 565 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 566 memcpy(dvobj->cam_cache[id].key, key, 16); 567 568 spin_unlock_bh(&cam_ctl->lock); 569 } 570 571 void clear_cam_cache(struct adapter *adapter, u8 id) 572 { 573 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 574 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 575 576 spin_lock_bh(&cam_ctl->lock); 577 578 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 579 580 spin_unlock_bh(&cam_ctl->lock); 581 } 582 583 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 584 { 585 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 586 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 587 bool ret = false; 588 589 if (cam_id >= TOTAL_CAM_ENTRY) 590 goto exit; 591 592 if (!(cam_ctl->bitmap & BIT(cam_id))) 593 goto exit; 594 595 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 596 597 exit: 598 return ret; 599 } 600 601 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 602 { 603 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 604 int i; 605 s16 cam_id = -1; 606 607 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 608 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 609 continue; 610 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 611 continue; 612 613 cam_id = i; 614 break; 615 } 616 617 return cam_id; 618 } 619 620 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 621 { 622 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 623 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 624 s16 cam_id = -1; 625 626 spin_lock_bh(&cam_ctl->lock); 627 cam_id = _rtw_camid_search(adapter, addr, kid); 628 spin_unlock_bh(&cam_ctl->lock); 629 630 return cam_id; 631 } 632 633 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 634 { 635 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 636 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 637 s16 cam_id = -1; 638 struct mlme_ext_info *mlmeinfo; 639 640 spin_lock_bh(&cam_ctl->lock); 641 642 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 643 644 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 645 && !sta) { 646 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 647 if (kid > 3) { 648 netdev_dbg(adapter->pnetdev, 649 FUNC_ADPT_FMT " group key with invalid key id:%u\n", 650 FUNC_ADPT_ARG(adapter), kid); 651 rtw_warn_on(1); 652 goto bitmap_handle; 653 } 654 655 cam_id = kid; 656 } else { 657 int i; 658 u8 *addr = sta?sta->hwaddr:NULL; 659 660 if (!sta) { 661 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 662 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 663 goto bitmap_handle; 664 } 665 666 addr = get_bssid(&adapter->mlmepriv); 667 } 668 669 i = _rtw_camid_search(adapter, addr, kid); 670 if (i >= 0) { 671 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 672 if (sta || _rtw_camid_is_gk(adapter, i)) 673 cam_id = i; 674 else 675 netdev_dbg(adapter->pnetdev, 676 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n", 677 FUNC_ADPT_ARG(adapter), kid); 678 goto bitmap_handle; 679 } 680 681 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 682 if (!(cam_ctl->bitmap & BIT(i))) 683 break; 684 685 if (i == TOTAL_CAM_ENTRY) { 686 if (sta) 687 netdev_dbg(adapter->pnetdev, 688 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n", 689 FUNC_ADPT_ARG(adapter), 690 MAC_ARG(sta->hwaddr), kid); 691 else 692 netdev_dbg(adapter->pnetdev, 693 FUNC_ADPT_FMT " group key id:%u no room\n", 694 FUNC_ADPT_ARG(adapter), kid); 695 rtw_warn_on(1); 696 goto bitmap_handle; 697 } 698 699 cam_id = i; 700 } 701 702 bitmap_handle: 703 if (cam_id >= 0 && cam_id < 32) 704 cam_ctl->bitmap |= BIT(cam_id); 705 706 spin_unlock_bh(&cam_ctl->lock); 707 708 return cam_id; 709 } 710 711 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 712 { 713 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 714 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 715 716 spin_lock_bh(&cam_ctl->lock); 717 718 if (cam_id < TOTAL_CAM_ENTRY) 719 cam_ctl->bitmap &= ~(BIT(cam_id)); 720 721 spin_unlock_bh(&cam_ctl->lock); 722 } 723 724 int allocate_fw_sta_entry(struct adapter *padapter) 725 { 726 unsigned int mac_id; 727 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 728 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 729 730 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 731 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 732 pmlmeinfo->FW_sta_info[mac_id].status = 1; 733 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 734 break; 735 } 736 } 737 738 return mac_id; 739 } 740 741 void flush_all_cam_entry(struct adapter *padapter) 742 { 743 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 744 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 745 746 invalidate_cam_all(padapter); 747 /* clear default key related key search setting */ 748 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 749 750 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 751 } 752 753 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 754 { 755 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 756 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 757 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 758 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 759 760 if (pmlmepriv->qospriv.qos_option == 0) { 761 pmlmeinfo->WMM_enable = 0; 762 return false; 763 } 764 765 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 766 return false; 767 else 768 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 769 770 pmlmeinfo->WMM_enable = 1; 771 return true; 772 } 773 774 static void sort_wmm_ac_params(u32 *inx, u32 *edca) 775 { 776 u32 i, j, change_inx = false; 777 778 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 779 for (i = 0; i < 4; i++) { 780 for (j = i + 1; j < 4; j++) { 781 /* compare CW and AIFS */ 782 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 783 change_inx = true; 784 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 785 /* compare TXOP */ 786 if ((edca[j] >> 16) > (edca[i] >> 16)) 787 change_inx = true; 788 } 789 790 if (change_inx) { 791 swap(edca[i], edca[j]); 792 swap(inx[i], inx[j]); 793 794 change_inx = false; 795 } 796 } 797 } 798 } 799 800 void WMMOnAssocRsp(struct adapter *padapter) 801 { 802 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 803 u8 acm_mask; 804 u16 TXOP; 805 u32 acParm, i; 806 u32 edca[4], inx[4]; 807 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 808 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 809 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 810 struct registry_priv *pregpriv = &padapter->registrypriv; 811 812 acm_mask = 0; 813 814 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 815 aSifsTime = 16; 816 else 817 aSifsTime = 10; 818 819 if (pmlmeinfo->WMM_enable == 0) { 820 padapter->mlmepriv.acm_mask = 0; 821 822 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 823 824 if (pmlmeext->cur_wireless_mode & WIRELESS_11G) { 825 ECWMin = 4; 826 ECWMax = 10; 827 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 828 ECWMin = 5; 829 ECWMax = 10; 830 } else { 831 ECWMin = 4; 832 ECWMax = 10; 833 } 834 835 TXOP = 0; 836 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 837 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 838 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 839 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 840 841 ECWMin = 2; 842 ECWMax = 3; 843 TXOP = 0x2f; 844 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 845 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 846 } else { 847 edca[0] = edca[1] = edca[2] = edca[3] = 0; 848 849 for (i = 0; i < 4; i++) { 850 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 851 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 852 853 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 854 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 855 856 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 857 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 858 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 859 860 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 861 862 switch (ACI) { 863 case 0x0: 864 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 865 acm_mask |= (ACM ? BIT(1):0); 866 edca[XMIT_BE_QUEUE] = acParm; 867 break; 868 869 case 0x1: 870 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 871 /* acm_mask |= (ACM? BIT(0):0); */ 872 edca[XMIT_BK_QUEUE] = acParm; 873 break; 874 875 case 0x2: 876 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 877 acm_mask |= (ACM ? BIT(2):0); 878 edca[XMIT_VI_QUEUE] = acParm; 879 break; 880 881 case 0x3: 882 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 883 acm_mask |= (ACM ? BIT(3):0); 884 edca[XMIT_VO_QUEUE] = acParm; 885 break; 886 } 887 } 888 889 if (padapter->registrypriv.acm_method == 1) 890 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 891 else 892 padapter->mlmepriv.acm_mask = acm_mask; 893 894 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 895 896 if (pregpriv->wifi_spec == 1) 897 sort_wmm_ac_params(inx, edca); 898 899 for (i = 0; i < 4; i++) 900 pxmitpriv->wmm_para_seq[i] = inx[i]; 901 } 902 } 903 904 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 905 { 906 unsigned char new_bwmode; 907 unsigned char new_ch_offset; 908 struct HT_info_element *pHT_info; 909 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 910 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 911 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 912 struct registry_priv *pregistrypriv = &padapter->registrypriv; 913 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 914 u8 cbw40_enable = 0; 915 916 if (!pIE) 917 return; 918 919 if (phtpriv->ht_option == false) 920 return; 921 922 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) 923 return; 924 925 if (pIE->Length > sizeof(struct HT_info_element)) 926 return; 927 928 pHT_info = (struct HT_info_element *)pIE->data; 929 930 if (pmlmeext->cur_channel > 14) { 931 if ((pregistrypriv->bw_mode & 0xf0) > 0) 932 cbw40_enable = 1; 933 } else { 934 if ((pregistrypriv->bw_mode & 0x0f) > 0) 935 cbw40_enable = 1; 936 } 937 938 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) { 939 new_bwmode = CHANNEL_WIDTH_40; 940 941 switch (pHT_info->infos[0] & 0x3) { 942 case 1: 943 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; 944 break; 945 946 case 3: 947 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; 948 break; 949 950 default: 951 new_bwmode = CHANNEL_WIDTH_20; 952 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 953 break; 954 } 955 } else { 956 new_bwmode = CHANNEL_WIDTH_20; 957 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 958 } 959 960 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) { 961 pmlmeinfo->bwmode_updated = true; 962 963 pmlmeext->cur_bwmode = new_bwmode; 964 pmlmeext->cur_ch_offset = new_ch_offset; 965 966 /* update HT info also */ 967 HT_info_handler(padapter, pIE); 968 } else { 969 pmlmeinfo->bwmode_updated = false; 970 } 971 972 if (true == pmlmeinfo->bwmode_updated) { 973 struct sta_info *psta; 974 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 975 struct sta_priv *pstapriv = &padapter->stapriv; 976 977 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 978 979 /* update ap's stainfo */ 980 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); 981 if (psta) { 982 struct ht_priv *phtpriv_sta = &psta->htpriv; 983 984 if (phtpriv_sta->ht_option) { 985 /* bwmode */ 986 psta->bw_mode = pmlmeext->cur_bwmode; 987 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; 988 } else { 989 psta->bw_mode = CHANNEL_WIDTH_20; 990 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 991 } 992 993 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta); 994 } 995 } 996 } 997 998 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 999 { 1000 unsigned int i; 1001 u8 rf_type; 1002 u8 max_AMPDU_len, min_MPDU_spacing; 1003 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0; 1004 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1005 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1006 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1007 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1008 1009 if (!pIE) 1010 return; 1011 1012 if (phtpriv->ht_option == false) 1013 return; 1014 1015 pmlmeinfo->HT_caps_enable = 1; 1016 1017 for (i = 0; i < (pIE->Length); i++) { 1018 if (i != 2) { 1019 /* Commented by Albert 2010/07/12 */ 1020 /* Got the endian issue here. */ 1021 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); 1022 } else { 1023 /* modify from fw by Thomas 2010/11/17 */ 1024 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) 1025 max_AMPDU_len = (pIE->data[i] & 0x3); 1026 else 1027 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3); 1028 1029 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) 1030 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c); 1031 else 1032 min_MPDU_spacing = (pIE->data[i] & 0x1c); 1033 1034 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; 1035 } 1036 } 1037 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); 1038 1039 /* update the MCS set */ 1040 for (i = 0; i < 16; i++) 1041 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; 1042 1043 /* update the MCS rates */ 1044 switch (rf_type) { 1045 case RF_1T1R: 1046 case RF_1T2R: 1047 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); 1048 break; 1049 case RF_2T2R: 1050 default: 1051 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1052 } 1053 1054 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 1055 /* Config STBC setting */ 1056 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && 1057 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) 1058 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1059 1060 phtpriv->stbc_cap = cur_stbc_cap; 1061 } else { 1062 /* Config LDPC Coding Capability */ 1063 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && 1064 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) 1065 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1066 1067 phtpriv->ldpc_cap = cur_ldpc_cap; 1068 1069 /* Config STBC setting */ 1070 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && 1071 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) 1072 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1073 1074 phtpriv->stbc_cap = cur_stbc_cap; 1075 } 1076 } 1077 1078 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1079 { 1080 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1081 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1082 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1083 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1084 1085 if (!pIE) 1086 return; 1087 1088 if (phtpriv->ht_option == false) 1089 return; 1090 1091 if (pIE->Length > sizeof(struct HT_info_element)) 1092 return; 1093 1094 pmlmeinfo->HT_info_enable = 1; 1095 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1096 } 1097 1098 void HTOnAssocRsp(struct adapter *padapter) 1099 { 1100 unsigned char max_AMPDU_len; 1101 unsigned char min_MPDU_spacing; 1102 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1103 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1104 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1105 1106 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1107 pmlmeinfo->HT_enable = 1; 1108 } else { 1109 pmlmeinfo->HT_enable = 0; 1110 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1111 return; 1112 } 1113 1114 /* handle A-MPDU parameter field */ 1115 /* 1116 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1117 AMPDU_para [4:2]:Min MPDU Start Spacing 1118 */ 1119 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1120 1121 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1122 1123 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1124 1125 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1126 } 1127 1128 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1129 { 1130 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1131 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1132 1133 if (pIE->Length > 1) 1134 return; 1135 1136 pmlmeinfo->ERP_enable = 1; 1137 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1138 } 1139 1140 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1141 { 1142 struct registry_priv *pregpriv = &padapter->registrypriv; 1143 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1144 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1145 1146 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1147 case 0: /* off */ 1148 psta->rtsen = 0; 1149 psta->cts2self = 0; 1150 break; 1151 1152 case 1: /* on */ 1153 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1154 psta->rtsen = 1; 1155 psta->cts2self = 0; 1156 } else { 1157 psta->rtsen = 0; 1158 psta->cts2self = 1; 1159 } 1160 break; 1161 1162 case 2: /* auto */ 1163 default: 1164 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1165 if (pregpriv->vcs_type == 1) { 1166 psta->rtsen = 1; 1167 psta->cts2self = 0; 1168 } else { 1169 psta->rtsen = 0; 1170 psta->cts2self = 1; 1171 } 1172 } else { 1173 psta->rtsen = 0; 1174 psta->cts2self = 0; 1175 } 1176 break; 1177 } 1178 } 1179 1180 void update_ldpc_stbc_cap(struct sta_info *psta) 1181 { 1182 if (psta->htpriv.ht_option) { 1183 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1184 psta->ldpc = 1; 1185 1186 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1187 psta->stbc = 1; 1188 } else { 1189 psta->ldpc = 0; 1190 psta->stbc = 0; 1191 } 1192 } 1193 1194 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1195 { 1196 unsigned int len; 1197 unsigned char *p; 1198 unsigned short val16, subtype; 1199 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1200 /* u8 wpa_ie[255], rsn_ie[255]; */ 1201 u16 wpa_len = 0, rsn_len = 0; 1202 u8 encryp_protocol = 0; 1203 struct wlan_bssid_ex *bssid; 1204 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1205 unsigned char *pbuf; 1206 u32 wpa_ielen = 0; 1207 u8 *pbssid = GetAddr3Ptr(pframe); 1208 struct HT_info_element *pht_info = NULL; 1209 struct ieee80211_ht_cap *pht_cap = NULL; 1210 u32 bcn_channel; 1211 unsigned short ht_cap_info; 1212 unsigned char ht_info_infos_0; 1213 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1214 int ssid_len; 1215 1216 if (is_client_associated_to_ap(Adapter) == false) 1217 return true; 1218 1219 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1220 1221 if (len > MAX_IE_SZ) 1222 return _FAIL; 1223 1224 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) 1225 return true; 1226 1227 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1228 if (!bssid) 1229 return true; 1230 1231 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) { 1232 pmlmepriv->timeBcnInfoChkStart = 0; 1233 pmlmepriv->NumOfBcnInfoChkFail = 0; 1234 } 1235 1236 subtype = GetFrameSubType(pframe) >> 4; 1237 1238 if (subtype == WIFI_BEACON) 1239 bssid->Reserved[0] = 1; 1240 1241 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; 1242 1243 /* below is to copy the information element */ 1244 bssid->IELength = len; 1245 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength); 1246 1247 /* check bw and channel offset */ 1248 /* parsing HT_CAP_IE */ 1249 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1250 if (p && len > 0) { 1251 pht_cap = (struct ieee80211_ht_cap *)(p + 2); 1252 ht_cap_info = le16_to_cpu(pht_cap->cap_info); 1253 } else { 1254 ht_cap_info = 0; 1255 } 1256 /* parsing HT_INFO_IE */ 1257 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1258 if (p && len > 0) { 1259 pht_info = (struct HT_info_element *)(p + 2); 1260 ht_info_infos_0 = pht_info->infos[0]; 1261 } else { 1262 ht_info_infos_0 = 0; 1263 } 1264 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || 1265 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) { 1266 { 1267 /* bcn_info_update */ 1268 cur_network->BcnInfo.ht_cap_info = ht_cap_info; 1269 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; 1270 /* to do : need to check that whether modify related register of BB or not */ 1271 } 1272 /* goto _mismatch; */ 1273 } 1274 1275 /* Checking for channel */ 1276 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1277 if (p) { 1278 bcn_channel = *(p + 2); 1279 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ 1280 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, 1281 &len, bssid->IELength - _FIXED_IE_LENGTH_); 1282 if (pht_info) 1283 bcn_channel = pht_info->primary_channel; 1284 else /* we don't find channel IE, so don't check it */ 1285 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1286 } 1287 1288 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) 1289 goto _mismatch; 1290 1291 /* checking SSID */ 1292 ssid_len = 0; 1293 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1294 if (p) { 1295 ssid_len = *(p + 1); 1296 if (ssid_len > NDIS_802_11_LENGTH_SSID) 1297 ssid_len = 0; 1298 } 1299 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len); 1300 bssid->Ssid.SsidLength = ssid_len; 1301 1302 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) || 1303 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) 1304 if (bssid->Ssid.Ssid[0] != '\0' && 1305 bssid->Ssid.SsidLength != 0) /* not hidden ssid */ 1306 goto _mismatch; 1307 1308 /* check encryption info */ 1309 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1310 1311 if (val16 & BIT(4)) 1312 bssid->Privacy = 1; 1313 else 1314 bssid->Privacy = 0; 1315 1316 if (cur_network->network.Privacy != bssid->Privacy) 1317 goto _mismatch; 1318 1319 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1320 1321 if (rsn_len > 0) 1322 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1323 else if (wpa_len > 0) 1324 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1325 else 1326 if (bssid->Privacy) 1327 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1328 1329 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) 1330 goto _mismatch; 1331 1332 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1333 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1334 if (pbuf && (wpa_ielen > 0)) { 1335 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, 1336 &pairwise_cipher, &is_8021x); 1337 } else { 1338 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1339 1340 if (pbuf && (wpa_ielen > 0)) 1341 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, 1342 &pairwise_cipher, &is_8021x); 1343 } 1344 1345 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || 1346 group_cipher != cur_network->BcnInfo.group_cipher) 1347 goto _mismatch; 1348 1349 if (is_8021x != cur_network->BcnInfo.is_8021x) 1350 goto _mismatch; 1351 } 1352 1353 kfree(bssid); 1354 return _SUCCESS; 1355 1356 _mismatch: 1357 kfree(bssid); 1358 1359 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1360 pmlmepriv->timeBcnInfoChkStart = jiffies; 1361 1362 pmlmepriv->NumOfBcnInfoChkFail++; 1363 1364 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1365 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1366 pmlmepriv->timeBcnInfoChkStart = 0; 1367 pmlmepriv->NumOfBcnInfoChkFail = 0; 1368 return _FAIL; 1369 } 1370 1371 return _SUCCESS; 1372 } 1373 1374 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1375 { 1376 unsigned int i; 1377 unsigned int len; 1378 struct ndis_80211_var_ie *pIE; 1379 1380 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1381 1382 for (i = 0; i < len;) { 1383 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1384 1385 switch (pIE->ElementID) { 1386 case WLAN_EID_VENDOR_SPECIFIC: 1387 /* to update WMM parameter set while receiving beacon */ 1388 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1389 if (WMM_param_handler(padapter, pIE)) 1390 report_wmm_edca_update(padapter); 1391 1392 break; 1393 1394 case WLAN_EID_HT_OPERATION: /* HT info */ 1395 /* HT_info_handler(padapter, pIE); */ 1396 bwmode_update_check(padapter, pIE); 1397 break; 1398 1399 case WLAN_EID_ERP_INFO: 1400 ERP_IE_handler(padapter, pIE); 1401 VCS_update(padapter, psta); 1402 break; 1403 1404 default: 1405 break; 1406 } 1407 1408 i += (pIE->Length + 2); 1409 } 1410 } 1411 1412 unsigned int is_ap_in_tkip(struct adapter *padapter) 1413 { 1414 u32 i; 1415 struct ndis_80211_var_ie *pIE; 1416 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1417 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1418 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1419 1420 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1421 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1422 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1423 1424 switch (pIE->ElementID) { 1425 case WLAN_EID_VENDOR_SPECIFIC: 1426 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1427 return true; 1428 1429 break; 1430 1431 case WLAN_EID_RSN: 1432 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1433 return true; 1434 break; 1435 1436 default: 1437 break; 1438 } 1439 1440 i += (pIE->Length + 2); 1441 } 1442 1443 return false; 1444 } else { 1445 return false; 1446 } 1447 } 1448 1449 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1450 { 1451 unsigned char bit_offset; 1452 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1453 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1454 1455 if (!(pmlmeinfo->HT_enable)) 1456 return _FAIL; 1457 1458 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1459 1460 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1461 return _SUCCESS; 1462 else 1463 return _FAIL; 1464 } 1465 1466 unsigned char get_highest_rate_idx(u32 mask) 1467 { 1468 int i; 1469 unsigned char rate_idx = 0; 1470 1471 for (i = 31; i >= 0; i--) { 1472 if (mask & BIT(i)) { 1473 rate_idx = i; 1474 break; 1475 } 1476 } 1477 1478 return rate_idx; 1479 } 1480 1481 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1482 { 1483 rtw_hal_update_ra_mask(psta, 0); 1484 } 1485 1486 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1487 { 1488 /* rate adaptive */ 1489 Update_RA_Entry(padapter, psta); 1490 } 1491 1492 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE) 1493 { 1494 u32 Vender = HT_IOT_PEER_REALTEK; 1495 1496 if (pIE->Length >= 5) { 1497 if (pIE->data[4] == 1) 1498 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1499 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1500 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1501 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1502 Vender = HT_IOT_PEER_REALTEK_92SE; 1503 1504 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1505 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1506 1507 if (pIE->data[4] == 2) { 1508 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) 1509 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1510 1511 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) 1512 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1513 } 1514 } 1515 1516 return Vender; 1517 } 1518 1519 unsigned char check_assoc_AP(u8 *pframe, uint len) 1520 { 1521 unsigned int i; 1522 struct ndis_80211_var_ie *pIE; 1523 1524 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1525 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1526 1527 switch (pIE->ElementID) { 1528 case WLAN_EID_VENDOR_SPECIFIC: 1529 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) 1530 return HT_IOT_PEER_ATHEROS; 1531 else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || 1532 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) || 1533 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) 1534 return HT_IOT_PEER_BROADCOM; 1535 else if (!memcmp(pIE->data, MARVELL_OUI, 3)) 1536 return HT_IOT_PEER_MARVELL; 1537 else if (!memcmp(pIE->data, RALINK_OUI, 3)) 1538 return HT_IOT_PEER_RALINK; 1539 else if (!memcmp(pIE->data, CISCO_OUI, 3)) 1540 return HT_IOT_PEER_CISCO; 1541 else if (!memcmp(pIE->data, REALTEK_OUI, 3)) 1542 return get_realtek_assoc_AP_vender(pIE); 1543 else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) 1544 return HT_IOT_PEER_AIRGO; 1545 else 1546 break; 1547 1548 default: 1549 break; 1550 } 1551 1552 i += (pIE->Length + 2); 1553 } 1554 1555 return HT_IOT_PEER_UNKNOWN; 1556 } 1557 1558 void update_IOT_info(struct adapter *padapter) 1559 { 1560 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1561 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1562 1563 switch (pmlmeinfo->assoc_AP_vendor) { 1564 case HT_IOT_PEER_MARVELL: 1565 pmlmeinfo->turboMode_cts2self = 1; 1566 pmlmeinfo->turboMode_rtsen = 0; 1567 break; 1568 1569 case HT_IOT_PEER_RALINK: 1570 pmlmeinfo->turboMode_cts2self = 0; 1571 pmlmeinfo->turboMode_rtsen = 1; 1572 /* disable high power */ 1573 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1574 break; 1575 case HT_IOT_PEER_REALTEK: 1576 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1577 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1578 /* disable high power */ 1579 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1580 break; 1581 default: 1582 pmlmeinfo->turboMode_cts2self = 0; 1583 pmlmeinfo->turboMode_rtsen = 1; 1584 break; 1585 } 1586 } 1587 1588 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1589 { 1590 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1591 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1592 bool ShortPreamble; 1593 1594 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1595 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1596 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1597 { 1598 if (updateCap & cShortPreamble) { 1599 /* Short Preamble */ 1600 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1601 ShortPreamble = true; 1602 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1603 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1604 } 1605 } else { 1606 /* Long Preamble */ 1607 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1608 ShortPreamble = false; 1609 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1610 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1611 } 1612 } 1613 } 1614 1615 if (updateCap & cIBSS) { 1616 /* Filen: See 802.11-2007 p.91 */ 1617 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1618 } else { 1619 /* Filen: See 802.11-2007 p.90 */ 1620 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) { 1621 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1622 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1623 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1624 /* Short Slot Time */ 1625 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1626 else 1627 /* Long Slot Time */ 1628 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1629 } else { 1630 /* B Mode */ 1631 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1632 } 1633 } 1634 1635 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1636 } 1637 1638 void update_wireless_mode(struct adapter *padapter) 1639 { 1640 int network_type = 0; 1641 u32 SIFS_Timer; 1642 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1643 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1644 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1645 unsigned char *rate = cur_network->SupportedRates; 1646 1647 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1648 pmlmeinfo->HT_enable = 1; 1649 1650 if (pmlmeinfo->HT_enable) 1651 network_type = WIRELESS_11_24N; 1652 1653 if (rtw_is_cckratesonly_included(rate)) 1654 network_type |= WIRELESS_11B; 1655 else if (rtw_is_cckrates_included(rate)) 1656 network_type |= WIRELESS_11BG; 1657 else 1658 network_type |= WIRELESS_11G; 1659 1660 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1661 1662 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1663 /* change this value if having IOT issues. */ 1664 1665 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1666 1667 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1668 1669 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1670 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1671 else 1672 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1673 } 1674 1675 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1676 { 1677 if (IsSupportedTxCCK(wireless_mode)) { 1678 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1679 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1680 psta->bssratelen = 4; 1681 } else { 1682 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1683 psta->bssratelen = 3; 1684 } 1685 } 1686 1687 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1688 { 1689 unsigned int ie_len; 1690 struct ndis_80211_var_ie *pIE; 1691 int supportRateNum = 0; 1692 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1693 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1694 1695 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len); 1696 if (!pIE) 1697 return _FAIL; 1698 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates)) 1699 return _FAIL; 1700 1701 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1702 supportRateNum = ie_len; 1703 1704 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len); 1705 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum)) 1706 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1707 1708 return _SUCCESS; 1709 } 1710 1711 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1712 { 1713 struct sta_info *psta; 1714 u16 tid, param; 1715 struct recv_reorder_ctrl *preorder_ctrl; 1716 struct sta_priv *pstapriv = &padapter->stapriv; 1717 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1718 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1719 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1720 1721 psta = rtw_get_stainfo(pstapriv, addr); 1722 1723 if (psta) { 1724 param = le16_to_cpu(preq->BA_para_set); 1725 tid = (param>>2)&0x0f; 1726 1727 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1728 1729 preorder_ctrl->indicate_seq = 0xffff; 1730 1731 preorder_ctrl->enable = pmlmeinfo->accept_addba_req; 1732 } 1733 } 1734 1735 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1736 { 1737 u8 *pIE; 1738 __le32 *pbuf; 1739 1740 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1741 pbuf = (__le32 *)pIE; 1742 1743 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1744 1745 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1746 1747 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1748 } 1749 1750 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1751 { 1752 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1753 } 1754 1755 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1756 { 1757 int i; 1758 u8 *pIE; 1759 __le32 *pbuf; 1760 u64 tsf = 0; 1761 u32 delay_ms; 1762 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1763 1764 pmlmeext->bcn_cnt++; 1765 1766 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1767 pbuf = (__le32 *)pIE; 1768 1769 tsf = le32_to_cpu(*(pbuf+1)); 1770 tsf = tsf << 32; 1771 tsf |= le32_to_cpu(*pbuf); 1772 1773 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1774 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1775 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024)); 1776 delay_ms = delay_ms/1000; 1777 1778 if (delay_ms >= 8) 1779 pmlmeext->bcn_delay_cnt[8]++; 1780 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 1781 else 1782 pmlmeext->bcn_delay_cnt[delay_ms]++; 1783 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 1784 1785 /* 1786 1787 for (i = 0; i<9; i++) 1788 { 1789 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 1790 } 1791 */ 1792 1793 /* dump for adaptive_early_32k */ 1794 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 1795 u8 ratio_20_delay, ratio_80_delay; 1796 u8 DrvBcnEarly, DrvBcnTimeOut; 1797 1798 ratio_20_delay = 0; 1799 ratio_80_delay = 0; 1800 DrvBcnEarly = 0xff; 1801 DrvBcnTimeOut = 0xff; 1802 1803 for (i = 0; i < 9; i++) { 1804 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 1805 1806 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 1807 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 1808 1809 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) 1810 DrvBcnEarly = i; 1811 1812 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) 1813 DrvBcnTimeOut = i; 1814 1815 /* reset adaptive_early_32k cnt */ 1816 pmlmeext->bcn_delay_cnt[i] = 0; 1817 pmlmeext->bcn_delay_ratio[i] = 0; 1818 } 1819 1820 pmlmeext->DrvBcnEarly = DrvBcnEarly; 1821 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 1822 1823 pmlmeext->bcn_cnt = 0; 1824 } 1825 } 1826 1827 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 1828 { 1829 int i; 1830 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1831 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1832 1833 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1834 return; 1835 1836 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 1837 psta->mac_id = NUM_STA; 1838 return; 1839 } 1840 1841 spin_lock_bh(&pdvobj->lock); 1842 for (i = 0; i < NUM_STA; i++) { 1843 if (pdvobj->macid[i] == false) { 1844 pdvobj->macid[i] = true; 1845 break; 1846 } 1847 } 1848 spin_unlock_bh(&pdvobj->lock); 1849 1850 if (i > (NUM_STA - 1)) 1851 psta->mac_id = NUM_STA; 1852 else 1853 psta->mac_id = i; 1854 } 1855 1856 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 1857 { 1858 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1859 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1860 1861 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1862 return; 1863 1864 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 1865 return; 1866 1867 spin_lock_bh(&pdvobj->lock); 1868 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 1869 if (pdvobj->macid[psta->mac_id] == true) { 1870 pdvobj->macid[psta->mac_id] = false; 1871 psta->mac_id = NUM_STA; 1872 } 1873 } 1874 spin_unlock_bh(&pdvobj->lock); 1875 } 1876 1877 /* For 8188E RA */ 1878 u8 rtw_search_max_mac_id(struct adapter *padapter) 1879 { 1880 u8 max_mac_id = 0; 1881 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1882 int i; 1883 1884 spin_lock_bh(&pdvobj->lock); 1885 for (i = (NUM_STA-1); i >= 0 ; i--) { 1886 if (pdvobj->macid[i] == true) 1887 break; 1888 } 1889 max_mac_id = i; 1890 spin_unlock_bh(&pdvobj->lock); 1891 1892 return max_mac_id; 1893 } 1894 1895 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 1896 { 1897 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 1898 return NULL; 1899 1900 return dvobj->padapters; 1901 } 1902